The opening and closing part of the electric plug valve is a gate plate. The direction of movement of the gate plate is perpendicular to the direction of the fluid. The electric plug valve can only be fully opened and fully closed and cannot be adjusted or throttled. The gate has two sealing surfaces. The two sealing surfaces of the most commonly used mode gate valves form a wedge, and the wedge angle varies with the valve parameters.
Principle: There is a round opening of a diameter on the gate, and the opening and closing of the gate makes the round opening on the gate to completely separate from and match with the diameter.